Nicolai, Hermann Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
Nicolai, H. (1979). A possible constructive approach to (super-φ3)4 (II). Regularization of the model. Nuclear Physics B, 156(1), 153-176. doi:10.1016/0550-3213(79)90500-5.